| GEOGRAPHICAL DISTRIBUTION OF THE DRIFT | Frontispiece. |
| TILL OVERLAID WITH BOWLDER-CLAY | 5 |
| SCRATCHED STONE, FROM THE TILL | 6 |
| RIVER ISSUING FROM A SWISS GLACIER | 19 |
| TERMINAL MORAINE | 20 |
| GLACIER-FURROWS AND SCRATCHES AT STONY POINT, LAKE ERIE | 26 |
| DRIFT-DEPOSITS IN THE TROPICS | 38 |
| STRATIFIED BEDS IN TILL, LEITHEN WATER, PEEBLESSHIRE, SCOTLAND | 54 |
| SECTION AT JOINVILLE | 54 |
| ORBITS OF THE PERIODIC COMETS | 83 |
| ORBIT OF EARTH AND COMET | 88 |
| THE EARTH'S ORBIT | 89 |
| THE COMET SWEEPING PAST THE EARTH | 92 |
| THE SIDE OF THE EARTH STRUCK BY THE COMET | 93 |
| THE SIDE NOT STRUCK BY THE COMET | 93 |
| THE GREAT COMET OF 1811 | 95 |
| CRAG AND TAIL | 98 |
| SOLAR SPECTRUM | 105 |
| SECTION AT ST. ACHEUL | 122 |
| THE ENGIS SKULL | 124 |
| THE NEANDERTHAL SKULL | 125 |
| PLUMMET FROM SAN JOAQUIN VALLEY, CALIFORNIA | 180 |
| COMET OF 1862 | 137 |
| COURSE OF DONATI'S COMET | 157 |
| THE PRIMEVAL STORM | 220 |
| THE AFRITE IN THE PILLAR | 270 |
| DAHISH OVERTAKEN BY DIMIRIAT | 272 |
| EARTHEN VASE, FOUND IN THE CAVE OF FURFOOZ, BELGIUM | 347 |
| PRE-GLACIAL MAN'S PICTURE OF THE MAMMOTH | 349 |
| PRE-GLACIAL MAN'S PICTURE OF REINDEER | 350 |
| PRE-GLACIAL MAN'S PICTURE OF THE HORSE | 351 |
| SPECIMEN OF PRE-GLACIAL CARVING | 352 |
| STONE IMAGE FOUND IN OHIO | 353 |
| COPPER COIN, FOUND ONE HUNDRED AND FOURTEEN FEET UNDER GROUND, IN ILLINOIS {front} | 356 |
| COPPER COIN, FOUND ONE HUNDRED AND FOURTEEN FEET UNDER GROUND, IN ILLINOIS {back} | 356 |
| BIELA'S COMET, SPLIT IN TWO | 409 |
| SECTION ON THE SCHUYLKILL | 432 |